The top-twelve spacewalks of all time

The vast Hubble Space Telescope (HST) seen in the cargo bay of Shuttle Endeavour during the last spacewalk of the servicing mission, STS-61, on December 1993 in space. Astronaut Story Musgrave is seen at the end of the Remote Manipulator System (RMS) arm, carrying covers for the newly-replaced magnetometers. Astronaut Jeffrey Hoffman is seen in the payload bay at bottom.Picture: SPL/Barcroft Media